PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 051989
051989 ✓ Verified by PartsTable
— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

CONE AND ROLLERS,TAPERED ROLLER. Key specifications include part_name_assigned_by_controlling_agency: STRAP LITTER KEVLAR/NOMEX 1.75" W X 66" L. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-3129, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
051989
NSN: 3110-00-100-3129
FSC: 3110
CAGE: 89926 — NEW HOLLAND CONSTRUCTION (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencySTRAP LITTER KEVLAR/NOMEX 1.75" W X 66" L
NSN3110-00-100-3129
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 051989 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CONE WIDTH: 2.1693 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
CONE CORNER RADIUS: 0.1406 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NORMAL ANGLE
•
BORE DIAMETER: 3.5000 INCHES NOMINAL IN
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS (FLIS)
CONE WIDTH2.1693 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
CONE CORNER RADIUS0.1406 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
BORE DIAMETER3.5000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
6535Interchangeable
interchangeable cross-reference
interchangeable
0051988Interchangeable
interchangeable cross-reference
interchangeable
900999-8607Interchangeable
interchangeable cross-reference
interchangeable
6580Interchangeable
interchangeable cross-reference
interchangeable
408000-1Interchangeable
interchangeable cross-reference
interchangeable
6580-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 051989?
051989 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace 051989?
There are 26 known substitutes for 051989: 6535, 0051988, 900999-8607 and 23 more. Substitute compatibility should be verified for your specific system.
Is 051989 still available?
051989 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026